Evolution 1S2 is customer’s favorite 2 way speaker because it gives maximum performance to price ratio. Sound characteristic is well balanced between low, mid, and high tone with punchy kickbass. Evolution 1S2 speaker can be driven with Head Unit’s mini internal amplifier or external amplifier up to 100 Watt RMS. Passive crossover with L-pad attenuation and impedance compensation is the sheer advantage of this speaker to reproduce natural and smooth sound.